Check out our latest tutorials and articles

Setting up a Git repository on Debian
Posted on 23-06-2015 12:51 by graham
MediaWiki content not showing, but visible when in edit mode
Posted on 11-06-2015 10:16 by graham
IE 10 is caching Ajax responses, returns response code 304
Posted on 19-03-2015 10:36 by graham
Setting up GIT server on Red Hat Linux
Posted on 30-01-2015 09:22 by graham
Get last item of Postgres array
Posted on 22-01-2015 11:32 by graham
Finding parents in a many-to-many relationship using Postgres WITH RECURSIVE query
Posted on 22-01-2015 11:11 by graham
Access HTTP session in AOP aspect with Spring
Posted on 21-01-2015 14:09 by graham
AOP using AspectJ and annotation in Spring
Posted on 21-01-2015 13:52 by graham
Find Postgresql data directory
Posted on 18-01-2015 21:13 by graham
Tree traversal using WITH RECURSIVE queries in Postgres
Posted on 13-01-2015 09:56 by graham
Combine and minify CSS/Javascript files with Maven plugin
Posted on 05-01-2015 09:21 by graham
CSS: text input field in HTML overflows the containing TD/TABLE element
Posted on 23-12-2014 10:19 by graham
Pack files newer than N days using tar on Linux
Posted on 02-07-2014 10:31 by graham
Install library into a local Maven repository
Posted on 23-05-2014 11:27 by graham
Postgres database backup bash script into file with current date
Posted on 30-04-2014 11:07 by graham
Fixing NameVirtualHost *:80 has no VirtualHosts
Posted on 27-04-2014 20:36 by graham
Accepting all certificates using SMTP
Posted on 26-04-2014 17:02 by graham
Restore Postgres database using pg_restore
Posted on 24-04-2014 19:59 by graham
Setting password for user postgres after installation
Posted on 24-04-2014 16:37 by graham
No protocol handler was valid for the URL error while using proxy
Posted on 15-04-2014 19:47 by graham
Find CPU consumption per thread on Linux
Posted on 13-04-2014 14:21 by graham
Run JMeter from command line
Posted on 10-04-2014 12:27 by graham
Show query execution time in Psql
Posted on 10-04-2014 06:24 by graham
Gmail error: Our system has detected that this 550-5.7.1 message is likely unsolicited mail
Posted on 01-04-2014 18:41 by graham
Count all processes with a specific name on Debian
Posted on 29-03-2014 18:15 by graham
Install Oracle Java 7 on Debian Linux
Posted on 26-03-2014 07:15 by graham
Setting minimal and maximal width of a table cell in CSS
Posted on 09-03-2014 09:33 by graham
Running tests with Maven without build
Posted on 08-03-2014 14:23 by graham
Checking if user has read/edit access to a record in Salesforce using SOQL
Posted on 24-02-2014 11:54 by graham
Dump a Postgres database to custom format using pg_dump
Posted on 10-02-2014 20:06 by graham
SQLException: Cannot instantiate a SerialArray with null parameters
Posted on 26-01-2014 14:19 by graham
Install Postgresql 9.2 on Debian Squeeze
Posted on 23-01-2014 11:30 by graham
Attaching debug logs in Salesforce without permission
Posted on 09-01-2014 07:09 by graham
Heroku Git push error: No such app as ... after application rename
Posted on 12-12-2013 09:10 by graham
CRON expression to execute hourly
Posted on 11-12-2013 10:33 by graham
How to clear a Postgres database without logging in
Posted on 06-12-2013 14:54 by graham
The function getValue must be used with a prefix when a default namespace is not specified
Posted on 17-11-2013 06:20 by graham
Check if picklist value is null in Salesforce formula
Posted on 30-10-2013 13:22 by graham
Heroku: Permission denied (publickey). fatal: Could not read from remote repository.
Posted on 18-10-2013 13:58 by graham
Adding page numbers to VisualForce PDF
Posted on 01-08-2013 09:22 by graham
How to fix pg_dump version mismatch on Linux
Posted on 03-07-2013 09:01 by graham
Running an SVN command as Bamboo task
Posted on 13-06-2013 09:35 by graham
Running a single test with Maven
Posted on 25-05-2013 13:16 by graham
How to get an ID of the inserted row in Postgres with Java JDBC
Posted on 17-05-2013 17:09 by graham
How to get an ID of the inserted row in Postgres with Java JDBC
Posted on 17-05-2013 17:09 by graham
Check if map/set contains element in Salesforce VisualForce page
Posted on 17-05-2013 13:09 by graham
Deploy a custom button in Salesforce
Posted on 17-05-2013 08:55 by graham
Accessing current transaction in Spring
Posted on 16-05-2013 17:16 by graham
Query all objects (deleted and archived) in SOQL
Posted on 16-05-2013 09:02 by graham
Count query using Hibernate criteria
Posted on 10-05-2013 12:37 by graham
Find closest parent in JQuery
Posted on 08-05-2013 21:54 by graham
Limit query results in Hibernate criteria
Posted on 08-05-2013 09:22 by graham
Search parent elements in JQuery
Posted on 07-05-2013 09:07 by graham
Add hours/days/month/years to date in Javascript
Posted on 30-04-2013 11:17 by graham
Setting and reading cookie in Spring MVC
Posted on 29-04-2013 14:27 by graham
Execute Javascript after page loads
Posted on 29-04-2013 14:23 by graham
Convert string to integer in Java
Posted on 29-04-2013 14:16 by graham
Native SQL queries in Hibernate
Posted on 29-04-2013 13:38 by graham
Find the minor (secondary) diagonal of a matrix.
Posted on 28-04-2013 23:28 by graham
Custom JSP tags using tag files
Posted on 28-04-2013 22:29 by graham
Receive JSON result from AJAX with JQuery
Posted on 28-04-2013 21:22 by graham
Returning JSON in Java with Spring MVC
Posted on 28-04-2013 21:06 by graham
Set an environment variable from command line in Windows/Linux
Posted on 27-04-2013 10:46 by graham
Hide elements in Javascript
Posted on 26-04-2013 13:38 by graham
Open URL in the same browser window with Javascript
Posted on 26-04-2013 08:52 by graham
Get current date in Java in GMT timezone
Posted on 25-04-2013 11:59 by graham
Remove file or directory in a batch file
Posted on 24-04-2013 08:19 by graham
Checking if string is null or empty in JSTL if tag
Posted on 23-04-2013 10:06 by graham
Non-selective query against large object type in Salesforce
Posted on 19-04-2013 10:35 by graham
UTF-8 encoding in Spring MVC/JSP
Posted on 16-03-2013 16:58 by graham
Using custom Java methods in JSP
Posted on 16-03-2013 11:21 by graham
Timing events in Javascript with setTimeout and setInterval
Posted on 15-03-2013 16:35 by graham
Using properties file in Java
Posted on 15-03-2013 08:33 by graham
Adding parameters with Apex URLFOR
Posted on 13-03-2013 09:14 by graham
Convert string to enum in Apex
Posted on 07-03-2013 12:26 by graham
Current index in <apex:repeat> loop
Posted on 21-02-2013 10:13 by graham
How to format date in Apex VisualForce
Posted on 21-02-2013 09:47 by graham
Convert Date to string in Apex
Posted on 21-02-2013 09:32 by graham
Calling Ajax in VisualForce Apex
Posted on 20-02-2013 16:06 by graham
Convert Apex enum to string
Posted on 20-02-2013 09:22 by graham
Create a simple Java project with Maven and Eclipse
Posted on 19-02-2013 20:26 by graham
Prevent default behaviour of event in JQuery
Posted on 19-02-2013 18:01 by graham
Conditions in JSTL
Posted on 19-02-2013 17:27 by graham
Convert Java HashMap to JSON
Posted on 18-02-2013 12:45 by graham
Capture tab key press with Javascript
Posted on 17-02-2013 21:51 by graham
Viewing Heroku logs
Posted on 15-02-2013 23:26 by graham
Iterating over elements in JQuery
Posted on 15-02-2013 20:46 by graham
Arrays in Javascript
Posted on 15-02-2013 17:22 by graham
Creating SOAP Web Service in Apex
Posted on 14-02-2013 16:02 by graham
Getting random number in Salesforce Apex
Posted on 14-02-2013 09:11 by graham
Sending e-mail with Java/Spring
Posted on 13-02-2013 21:24 by graham
IE hacks in CSS/HTML
Posted on 13-02-2013 20:55 by graham
File upload using Java/Spring MVC
Posted on 13-02-2013 20:05 by graham
Generating Java from WSDL using Maven CXF plugin
Posted on 09-02-2013 10:41 by graham
Sorting @OneToMany collections in Hibernate
Posted on 31-01-2013 20:27 by graham
Execute anonymous Apex SOAP request
Posted on 31-01-2013 11:51 by graham
Execute anonymous Apex using SOAP API
Posted on 31-01-2013 09:43 by graham
Hot swapping JSP and Java files in Tomcat
Posted on 29-01-2013 22:13 by graham
Checking checkbox state in Javascript and JQuery
Posted on 24-01-2013 17:50 by graham
Creating a link to method/class in Java Docs
Posted on 22-01-2013 11:54 by graham
Running Tomcat as a service on Debian
Posted on 22-01-2013 08:09 by graham
Inserting data to Salesforce using Data Loader from command line
Posted on 21-01-2013 09:12 by graham
Serving a resource from outside the context root in Spring MVC
Posted on 19-01-2013 12:16 by graham
NOT LIKE query in SOQL
Posted on 18-01-2013 08:51 by graham
Deleting a directory recursively in Java
Posted on 16-01-2013 13:24 by graham
Setting timezone in Heroku
Posted on 16-01-2013 09:05 by graham
Creating a temporary file and directory in Java
Posted on 15-01-2013 14:08 by graham
Adding custom filter to filter chain in Spring
Posted on 15-01-2013 10:29 by graham
Query large sets of records in Salesforce using queryMore
Posted on 15-01-2013 09:42 by graham
Installing Apache Server on Red Hat Linux
Posted on 14-01-2013 08:09 by graham
Context-aware URLs in JSP
Posted on 11-01-2013 12:48 by graham
Remove a directory with contents on Linux
Posted on 11-01-2013 09:42 by graham
Installing Apache Tomcat on Red Hat Linux not using YUM
Posted on 10-01-2013 14:04 by graham
Checking system properties on Linux
Posted on 10-01-2013 08:39 by graham
Creating objects in Salesforce using REST API from Java
Posted on 09-01-2013 13:45 by graham
Authenticating to Salesforce using REST, OAuth 2.0 and Java
Posted on 08-01-2013 16:26 by graham
Parsing CRON expression in Java
Posted on 08-01-2013 11:02 by graham
Parsing JSON string in Java
Posted on 08-01-2013 10:16 by graham
Sending HTTP requests with Java
Posted on 08-01-2013 07:53 by graham
SVN check-out with SVNKit
Posted on 07-01-2013 14:44 by graham
Using Hibernate criteria
Posted on 07-01-2013 13:06 by graham
Writing to a file in Java
Posted on 07-01-2013 12:55 by graham
Create a directory in Java
Posted on 07-01-2013 12:25 by graham
Hibernate + Spring beginner's tutorial
Posted on 07-01-2013 08:12 by graham
Creating custom JSP tags
Posted on 04-01-2013 12:46 by graham
Read a file line by line in Java
Posted on 04-01-2013 12:31 by graham
Checking if a Quartz job is already running
Posted on 04-01-2013 11:33 by graham
Inserting related objects into the database in Salesforce Apex
Posted on 04-01-2013 10:09 by graham
Read line from console input in Java
Posted on 04-01-2013 09:41 by graham
Generic DAO design pattern with Java + Hibernate
Posted on 04-01-2013 08:37 by graham
Creating tests in Apex/Salesforce
Posted on 04-01-2013 08:20 by graham
Iterating through a directory structure in Java
Posted on 04-01-2013 07:55 by graham
Abstract classes vs. interfaces in Java
Posted on 03-01-2013 21:43 by graham
Abstract keyword in Java
Posted on 03-01-2013 19:07 by graham

Found questions

No authentication done but request not allowed without authentication for /test-repo.git
Posted on 19-06-2015 12:37 by graham  | Answers: 1
Could not intialize the host network interface on nullbecause of an error for Jenkins on Debian
Posted on 16-06-2015 13:53 by graham  | Answers: 2
Class not found with JavaCompiler on Debian Linux and Tomcat 7
Posted on 08-01-2014 08:35 by graham  | Answers: 1
Could not find artifact javax.persistence:com.springsource.javax.persistence:jar:2.0.0
Posted on 19-12-2013 13:38 by graham  | Answers: 1
apache2/usr/sbin/apache2ctl: 87: ulimit: error setting limit (Operation not permitted)
Posted on 26-11-2013 04:19 by graham  | Answers: 1
javax.servlet.ServletException: java.lang.NoClassDefFoundError: org/apache/jsp/tag/web/template_tag
Posted on 11-07-2013 12:41 by graham  | Answers: 1
Cannot reference map item in Visual Force (Syntax Error)
Posted on 03-07-2013 12:22 by graham  | Answers: 1
Resetting login failures counter on Linux: pam_tally(sshd:auth): user wgr (57126) tally8, deny 5
Posted on 10-06-2013 13:43 by graham  | Answers: 1
@XmlSeeAlso annotation not found
Posted on 28-05-2013 11:49 by graham  | Answers: 1
NO_MASS_MAIL_PERMISSION in Salesforce unit tests
Posted on 23-05-2013 10:44 by graham  | Answers: 1
ConcurrentModificationException while creating application context with bean factory
Posted on 16-05-2013 16:31 by graham  | Answers: 1
Not all tasks returned in a SOQL query
Posted on 16-05-2013 08:29 by graham  | Answers: 1
How to iterate over a directory tree in a bash script?
Posted on 28-04-2013 21:40 by graham  | Answers: 0
Difference between Hibernate evict() and clear()
Posted on 25-04-2013 08:23 by graham  | Answers: 1
No Hibernate Session bound to thread configuration does not allow creation of non-transactional one
Posted on 20-03-2013 10:12 by graham  | Answers: 1
Cannot export lights from Archicad to Artlantis
Posted on 16-03-2013 16:25 by graham  | Answers: 1
How to deploy the "Available for Customer Portal" property of a Salesforce object
Posted on 14-03-2013 18:14 by graham  | Answers: 1
tools.jar missing when trying to build a project in Maven
Posted on 01-03-2013 13:29 by graham  | Answers: 1
Cannot pass parameter in apex:function
Posted on 01-03-2013 12:06 by graham  | Answers: 1
apex:outputPanel not rerendering
Posted on 20-02-2013 11:38 by graham  | Answers: 1
How to disable spell check on a text area?
Posted on 16-02-2013 16:02 by graham  | Answers: 1
Get HTML element with ID starting with certain string in JQuery
Posted on 15-02-2013 11:32 by graham  | Answers: 1
Heroku app idling with SIGTERM
Posted on 14-02-2013 10:38 by graham  | Answers: 1
Annotation-specified bean name for bean conflicts with existing, non-compatible bean definition
Posted on 01-02-2013 13:29 by graham  | Answers: 1
SVN exception "Unsupported URI form"
Posted on 24-01-2013 10:09 by graham  | Answers: 1
How to use UTF-8 encoding in a JSP custom tag
Posted on 23-01-2013 20:55 by graham  | Answers: 1
How to remove cached classes/JSP pages from Tomcat
Posted on 23-01-2013 16:46 by graham  | Answers: 1
Image directory not accessible in Spring MVC
Posted on 19-01-2013 11:36 by graham  | Answers: 1
Cannot deserialize instance of string from VALUE_STRING value at [line:1, column:167]
Posted on 18-01-2013 10:03 by graham  | Answers: 1